Public domain
Fracture formation in the B1 Coal Seam due to displacement on the floor
From the collection of Rijksmuseum, Amsterdam. Free to download, adapt and use — no permission needed.
About this work
Coal mining in an open-pit mine (day mine). View of a fissure formed by shifting coal layers. Three men stand by the rift. Part of the loose-leaf photo album presented by the staff of the Boekit-Asam Coal Mines in Sumatra to the retiring Engineer-Director H. Tromp on January 7, 1922.
Rijksmuseum, Amsterdam’s own descriptionCredit lineSpleetvorming in de B1 Koollaag door afschuiving op het liggende. 1921 - 1922. anonymous. Rijksmuseum, Amsterdam. Public domain.